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https://www.ebay.com/itm/David-Andersen-D-A-830S-silver-serving-spoon-Raadhus-Vifte-/124300859406
Details about David Andersen D-A 830S silver serving spoon Raadhus Vifte. 1 viewed per hour. ... Georg Jensen Bracelet #A46 Sterling Silver Denmark Jewelry #13402. $143.00. Free shipping . Vintage David Andersen Tromso Norway sterling silver souvenir spoon 9g. $19.99. Free shipping .Seller Rating: 100.0% positive
https://www.morninggloryjewelry.com/articles/jewelry-marks-and-dates/a-through-d/
Research Information » A Through D A Through D. ... AG 830S Mark is for Børge Alexis Godtbergsen of Copenhagen, Denmark, 1940-1987, and 830/1000 sterling: A*D mark Andreas Daub, ... Morning Glory Antiques & Jewelry at the Antique Connection Mall and on the internet since 1996.
https://www.etsy.com/market/830_silver
Pretty Thorvald Mathinsen Early 20th Century Set of 6 Norwegian 830 Silver Teaspoons in Original Case.
http://www.silvercollection.it/DICTIONARYEUHALLMARKNORWAY.HTML
In 1892, silver fineness was standardized at .830 and the mark 830S became compulsory. In 1920, standard .925 started to replace .830 purity. At the present purity 999, 925, 830 and 800 are admitted for silver items, but .925 is the foremost standard in use.
https://www.ebay.ca/sch/i.html?_nkw=830s+silver
Find great deals on eBay for 830s silver. Shop with confidence.
https://www.etsy.com/market/norway_sterling
Norway necklace Personalized sterling silver Bright Satin Finish Norway necklace with heart Hometown Jewelry - best friend Gift Engravable Silversmith925. From shop Silversmith925. 5 out of 5 stars (5,799) 5,799 ... Vintage 830S Sterling Silver Norway Brodrene Lohne "Dobbel Rokokko" Serving Sugar Spoon Sterling Flatware ...
https://www.925-1000.com/Fnorway_marks.html
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https://www.925-1000.com/denmarkA.html
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https://www.antiquestradegazette.com/guides/information-guides/hallmarks/
History of silver hallmarks. It was Edward I (1272-1307) who first passed a statute requiring all silver to be of sterling standard – a purity of 925 parts per thousand – ushering in a testing or assay system that has survived for over 700 years.
http://www.silvercollection.it/dictionaryCROWNMARK.html
THE "CROWN" OF SHEFFIELD ASSAY OFFICE The Sheffield Assay Office was established in 1773 and the symbol of its mark was a "crown". It was applied with various ranges of punches in proportion to the sizes of the objects on which they were stroked.
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